---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-018972"
form_type: "8-K"
ticker: "CERT"
cik: "0001827090"
company_name: "Certara, Inc."
filed_at: "2022-12-23T23:59:59+00:00"
generated_at: "2026-06-20T23:30:49.444028+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Certara director Mason Slaine resigns, effective December 23, 2022

## Summary
- Mason Slaine resigned from the Board for personal reasons, effective Dec 23, 2022.
- Resignation not the result of any disagreement with the Company on operations, policies, or practices.
- Slaine served on the Nominating and Corporate Governance Committee.

## SEC filing metadata
- accession: 0001558370-22-018972
- form_type: 8-K
- ticker: CERT
- cik: 0001827090
- company_name: Certara, Inc.
- filed_at: 2022-12-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1827090/000155837022018972/0001558370-22-018972-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1827090/000155837022018972/cert-20221223x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-018972
- JSON: https://secwatch.observer/filing/0001558370-22-018972.json
- Plain text: https://secwatch.observer/filing/0001558370-22-018972.txt

## Key facts
- Executive change
  Mason Slaine resigned as Director at Certara, Inc..
  - Action: resigned
  - Role: Director
  source text: On December 23, 2022, Mr. Mason Slaine, a member of the Board of Directors of Certara, Inc. (the “Company”), and a member of the Nominating and Corporate Governance Committee notified the Company of his intention to resign as a director of the Company for personal reasons, effective December 23, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1827090/000155837022018972/0001558370-22-018972-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.